prosody
8ad689b6d26f
plugins/mod_pubsub/mod_pubsub.lua

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plugins/mod_pubsub/mod_pubsub.lua @ 9725:8ad689b6d26f

mod_pubsub: Split line in config check to improve readability Also makes it easier to compare with mod_pep
author Kim Alvefur <zash@zash.se>
date Sun, 23 Dec 2018 03:06:35 +0100
parent 9724:8e6a0e1c1876
child 9829:fdc42f685557
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
5626
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
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diff changeset
1 local pubsub = require "util.pubsub";
8416d4619d80 mod_pubsub: Split out handlers into a module library
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2 local st = require "util.stanza";
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3 local jid_bare = require "util.jid".bare;
8416d4619d80 mod_pubsub: Split out handlers into a module library
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4 local usermanager = require "core.usermanager";
8811
f2d35eee69c9 mod_pubsub: Set an id attribute on outgoing event messages
Kim Alvefur <zash@zash.se>
parents: 8808
diff changeset
5 local new_id = require "util.id".medium;
5626
8416d4619d80 mod_pubsub: Split out handlers into a module library
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6
8416d4619d80 mod_pubsub: Split out handlers into a module library
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7 local xmlns_pubsub = "http://jabber.org/protocol/pubsub";
8416d4619d80 mod_pubsub: Split out handlers into a module library
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8 local xmlns_pubsub_event = "http://jabber.org/protocol/pubsub#event";
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9 local xmlns_pubsub_owner = "http://jabber.org/protocol/pubsub#owner";
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10
8416d4619d80 mod_pubsub: Split out handlers into a module library
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11 local autocreate_on_publish = module:get_option_boolean("autocreate_on_publish", false);
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12 local autocreate_on_subscribe = module:get_option_boolean("autocreate_on_subscribe", false);
7983
879be73c0a58 mod_pubsub: Fix syntax error introduced in 241f02bd66ce
Matthew Wild <mwild1@gmail.com>
parents: 7980
diff changeset
13 local pubsub_disco_name = module:get_option_string("name", "Prosody PubSub Service");
6515
c9a72c64c3e2 mod_pubsub: Add support for including the publisher in item broadcasts
Philipp Hancke <fippo@goodadvice.pages.de>
parents: 6446
diff changeset
14 local expose_publisher = module:get_option_boolean("expose_publisher", false)
5626
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15
8416d4619d80 mod_pubsub: Split out handlers into a module library
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16 local service;
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17
8416d4619d80 mod_pubsub: Split out handlers into a module library
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18 local lib_pubsub = module:require "pubsub";
8416d4619d80 mod_pubsub: Split out handlers into a module library
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19
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630e7224a65f mod_pubsub: Utilize mod_disco, instead of reimplementing disco handling
Florian Zeitz <florob@babelmonkeys.de>
parents: 5626
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20 module:depends("disco");
630e7224a65f mod_pubsub: Utilize mod_disco, instead of reimplementing disco handling
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parents: 5626
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21 module:add_identity("pubsub", "service", pubsub_disco_name);
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22 module:add_feature("http://jabber.org/protocol/pubsub");
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23
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8416d4619d80 mod_pubsub: Split out handlers into a module library
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24 function handle_pubsub_iq(event)
8334
036e46d12b78 mod_pubsub: Move dispatch function into pubsub.lib
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parents: 8328
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25 return lib_pubsub.handle_pubsub_iq(event, service);
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26 end
8416d4619d80 mod_pubsub: Split out handlers into a module library
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27
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86f31a2174b3 mod_pubsub: Add comment to document nodestore/itemstore methods
Matthew Wild <mwild1@gmail.com>
parents: 9101
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28 -- An itemstore supports the following methods:
86f31a2174b3 mod_pubsub: Add comment to document nodestore/itemstore methods
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29 -- items(): iterator over (id, item)
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30 -- get(id): return item with id
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31 -- set(id, item): set id to item
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parents: 9101
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32 -- clear(): clear all items
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parents: 9101
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33 -- resize(n): set new limit and trim oldest items
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parents: 9101
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34 -- tail(): return the latest item
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35
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parents: 9101
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36 -- A nodestore supports the following methods:
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parents: 9101
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37 -- set(node_name, node_data)
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38 -- get(node_name)
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parents: 9101
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39 -- users(): iterator over (node_name)
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parents: 9101
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40
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Matthew Wild <mwild1@gmail.com>
parents: 9101
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41
8504
80b8355c8b8b mod_pubsub: Add nodestore to service configuration
Matthew Wild <mwild1@gmail.com>
parents: 8503
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42 local node_store = module:open_store(module.name.."_nodes");
80b8355c8b8b mod_pubsub: Add nodestore to service configuration
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parents: 8503
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43
8503
3b86134c56ea mod_pubsub: Some variable renames for clarity
Matthew Wild <mwild1@gmail.com>
parents: 8340
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44 local function create_simple_itemstore(node_config, node_name)
3b86134c56ea mod_pubsub: Some variable renames for clarity
Matthew Wild <mwild1@gmail.com>
parents: 8340
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45 local archive = module:open_store("pubsub_"..node_name, "archive");
3b86134c56ea mod_pubsub: Some variable renames for clarity
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parents: 8340
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46 return lib_pubsub.archive_itemstore(archive, node_config, nil, node_name);
8213
e1272aeef31c mod_pubsub: Add item persistence using mod_storage_*’s archive store.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 8210
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47 end
e1272aeef31c mod_pubsub: Add item persistence using mod_storage_*’s archive store.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents: 8210
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48
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07197f29e2b8 mod_pubsub: Make the 'type' attribute on broadcast messages configurable
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parents: 8811
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49 function simple_broadcast(kind, node, jids, item, actor, node_obj)
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79cf1f74738f mod_pubsub: Prepare to support turning notifications off for each kind of broadcast
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parents: 9179
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50 if node_obj then
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parents: 9179
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51 if node_obj.config["notify_"..kind] == false then
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parents: 9179
diff changeset
52 return;
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parents: 9179
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53 end
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parents: 9179
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54 end
9179
82fad995a149 util.pubsub: Pass "retract" as the type of such broadcasts
Kim Alvefur <zash@zash.se>
parents: 9158
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55 if kind == "retract" then
82fad995a149 util.pubsub: Pass "retract" as the type of such broadcasts
Kim Alvefur <zash@zash.se>
parents: 9158
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56 kind = "items"; -- XEP-0060 signals retraction in an <items> container
82fad995a149 util.pubsub: Pass "retract" as the type of such broadcasts
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parents: 9158
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57 end
82fad995a149 util.pubsub: Pass "retract" as the type of such broadcasts
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parents: 9158
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58
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8416d4619d80 mod_pubsub: Split out handlers into a module library
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59 if item then
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60 item = st.clone(item);
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61 item.attr.xmlns = nil; -- Clear the pubsub namespace
9187
bd452e4f5a13 mod_pubsub: Only attach publisher on normal "item" broadcasts
Kim Alvefur <zash@zash.se>
parents: 9181
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62 if kind == "items" then
9188
ef2616ade453 mod_pubsub: Add support for thin notifications (without the full payload)
Kim Alvefur <zash@zash.se>
parents: 9187
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63 if node_obj and node_obj.config.include_payload == false then
ef2616ade453 mod_pubsub: Add support for thin notifications (without the full payload)
Kim Alvefur <zash@zash.se>
parents: 9187
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64 item:maptags(function () return nil; end);
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parents: 9187
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65 end
9187
bd452e4f5a13 mod_pubsub: Only attach publisher on normal "item" broadcasts
Kim Alvefur <zash@zash.se>
parents: 9181
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66 if expose_publisher and actor then
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parents: 9181
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67 item.attr.publisher = actor
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68 end
6515
c9a72c64c3e2 mod_pubsub: Add support for including the publisher in item broadcasts
Philipp Hancke <fippo@goodadvice.pages.de>
parents: 6446
diff changeset
69 end
5626
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70 end
8811
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Kim Alvefur <zash@zash.se>
parents: 8808
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71
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Kim Alvefur <zash@zash.se>
parents: 8808
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72 local id = new_id();
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parents: 8811
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73 local msg_type = node_obj and node_obj.config.message_type or "headline";
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74 local message = st.message({ from = module.host, type = msg_type, id = id })
5626
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75 :tag("event", { xmlns = xmlns_pubsub_event })
9720
e7ddf70ae417 mod_pubsub: Add semicolon (code style)
Kim Alvefur <zash@zash.se>
parents: 9597
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76 :tag(kind, { node = node });
8946
3a095233e178 mod_pubsub: Handle optional item (thanks jonasw)
Kim Alvefur <zash@zash.se>
parents: 8815
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77
3a095233e178 mod_pubsub: Handle optional item (thanks jonasw)
Kim Alvefur <zash@zash.se>
parents: 8815
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78 if item then
3a095233e178 mod_pubsub: Handle optional item (thanks jonasw)
Kim Alvefur <zash@zash.se>
parents: 8815
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79 message:add_child(item);
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parents: 8815
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80 end
8814
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parents: 8811
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81
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Kim Alvefur <zash@zash.se>
parents: 8980
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82 local summary;
8815
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parents: 8814
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83 -- Compose a sensible textual representation of at least Atom payloads
9039
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Kim Alvefur <zash@zash.se>
parents: 8980
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84 if item and item.tags[1] then
8815
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Kim Alvefur <zash@zash.se>
parents: 8814
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85 local payload = item.tags[1];
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Kim Alvefur <zash@zash.se>
parents: 9044
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86 summary = module:fire_event("pubsub-summary/"..payload.attr.xmlns, {
4336a2b97aba mod_pubsub: Make generation of notification body into an event to allow extensibility
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parents: 9044
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87 kind = kind, node = node, jids = jids, actor = actor, item = item, payload = payload,
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parents: 9044
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88 });
8815
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Kim Alvefur <zash@zash.se>
parents: 8814
diff changeset
89 end
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Kim Alvefur <zash@zash.se>
parents: 8814
diff changeset
90
9039
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Kim Alvefur <zash@zash.se>
parents: 8980
diff changeset
91 for jid, options in pairs(jids) do
0124e5ec1556 mod_pubsub: Move include_body option into subscription options
Kim Alvefur <zash@zash.se>
parents: 8980
diff changeset
92 local new_stanza = st.clone(message);
9044
18cd5102253c mod_pubsub: Skip checks for adding body if no body generated
Kim Alvefur <zash@zash.se>
parents: 9043
diff changeset
93 if summary and type(options) == "table" and options["pubsub#include_body"] then
9039
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Kim Alvefur <zash@zash.se>
parents: 8980
diff changeset
94 new_stanza:body(summary);
0124e5ec1556 mod_pubsub: Move include_body option into subscription options
Kim Alvefur <zash@zash.se>
parents: 8980
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95 end
0124e5ec1556 mod_pubsub: Move include_body option into subscription options
Kim Alvefur <zash@zash.se>
parents: 8980
diff changeset
96 new_stanza.attr.to = jid;
0124e5ec1556 mod_pubsub: Move include_body option into subscription options
Kim Alvefur <zash@zash.se>
parents: 8980
diff changeset
97 module:send(new_stanza);
0124e5ec1556 mod_pubsub: Move include_body option into subscription options
Kim Alvefur <zash@zash.se>
parents: 8980
diff changeset
98 end
5626
8416d4619d80 mod_pubsub: Split out handlers into a module library
Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
99 end
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Florian Zeitz <florob@babelmonkeys.de>
parents:
diff changeset
100
9100
e01c7d0cbbf4 mod_pubsub: Add configurable maximum on number of items
Kim Alvefur <zash@zash.se>
parents: 9045
diff changeset
101 local max_max_items = module:get_option_number("pubsub_max_items", 256);
9724
8e6a0e1c1876 mod_pubsub: Change order of luacheck directives to match arguments they apply to
Kim Alvefur <zash@zash.se>
parents: 9720
diff changeset
102 function check_node_config(node, actor, new_config) -- luacheck: ignore 212/node 212/actor
9100
e01c7d0cbbf4 mod_pubsub: Add configurable maximum on number of items
Kim Alvefur <zash@zash.se>
parents: 9045
diff changeset
103 if (new_config["max_items"] or 1) > max_max_items then
e01c7d0cbbf4 mod_pubsub: Add configurable maximum on number of items
Kim Alvefur <zash@zash.se>
parents: 9045
diff changeset
104 return false;
e01c7d0cbbf4 mod_pubsub: Add configurable maximum on number of items
Kim Alvefur <zash@zash.se>
parents: 9045
diff changeset
105 end
9725
8ad689b6d26f mod_pubsub: Split line in config check to improve readability
Kim Alvefur <zash@zash.se>
parents: 9724
diff changeset
106 if new_config["access_model"] ~= "whitelist"
8ad689b6d26f mod_pubsub: Split line in config check to improve readability
Kim Alvefur <zash@zash.se>
parents: 9724
diff changeset
107 and new_config["access_model"] ~= "open" then
9101
1ff694534e98 mod_pubsub: Restrict access model to 'whitelist' and 'open'
Kim Alvefur <zash@zash.se>
parents: 9100
diff changeset
108 return false;
1ff694534e98 mod_pubsub: Restrict access model to 'whitelist' and 'open'
Kim Alvefur <zash@zash.se>
parents: 9100
diff changeset
109 end
9100
e01c7d0cbbf4 mod_pubsub: Add configurable maximum on number of items
Kim Alvefur <zash@zash.se>
parents: 9045
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110 return true;
e01c7d0cbbf4 mod_pubsub: Add configurable maximum on number of items
Kim Alvefur <zash@zash.se>
parents: 9045
diff changeset
111 end
e01c7d0cbbf4 mod_pubsub: Add configurable maximum on number of items
Kim Alvefur <zash@zash.se>
parents: 9045
diff changeset
112
8695
09e7fd8b16cd mod_pubsub: Reject publishing of non-items
Kim Alvefur <zash@zash.se>
parents: 8505
diff changeset
113 function is_item_stanza(item)
09e7fd8b16cd mod_pubsub: Reject publishing of non-items
Kim Alvefur <zash@zash.se>
parents: 8505
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114 return st.is_stanza(item) and item.attr.xmlns == xmlns_pubsub and item.name == "item";
09e7fd8b16cd mod_pubsub: Reject publishing of non-items
Kim Alvefur <zash@zash.se>
parents: 8505
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115 end
09e7fd8b16cd mod_pubsub: Reject publishing of non-items
Kim Alvefur <zash@zash.se>
parents: 8505
diff changeset
116
9045
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Kim Alvefur <zash@zash.se>
parents: 9044
diff changeset
117 module:hook("pubsub-summary/http://www.w3.org/2005/Atom", function (event)
9234
d00e8ec7ece2 mod_pubsub: Fix summary generation for Atom entries to use the correct field
Kim Alvefur <zash@zash.se>
parents: 9188
diff changeset
118 local payload = event.payload;
9045
4336a2b97aba mod_pubsub: Make generation of notification body into an event to allow extensibility
Kim Alvefur <zash@zash.se>
parents: 9044
diff changeset
119 local title = payload:get_child_text("title");
4336a2b97aba mod_pubsub: Make generation of notification body into an event to allow extensibility
Kim Alvefur <zash@zash.se>
parents: 9044
diff changeset
120 local summary = payload:get_child_text("summary");
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Kim Alvefur <zash@zash.se>
parents: 9044
diff changeset
121 if not summary and title then
4336a2b97aba mod_pubsub: Make generation of notification body into an event to allow extensibility
Kim Alvefur <zash@zash.se>
parents: 9044
diff changeset
122 local author = payload:find("author/name#");
4336a2b97aba mod_pubsub: Make generation of notification body into an event to allow extensibility
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parents: 9044
diff changeset
123 summary = title;
4336a2b97aba mod_pubsub: Make generation of notification body into an event to allow extensibility
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parents: 9044
diff changeset
124 if author then
4336a2b97aba mod_pubsub: Make generation of notification body into an event to allow extensibility
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125 summary = author .. " posted " .. summary;
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126 end
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127 end
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128 return summary;
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129 end);
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130
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131 module:hook("iq/host/"..xmlns_pubsub..":pubsub", handle_pubsub_iq);
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132 module:hook("iq/host/"..xmlns_pubsub_owner..":pubsub", handle_pubsub_iq);
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133
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134 local function add_disco_features_from_service(service) --luacheck: ignore 431/service
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135 for feature in lib_pubsub.get_feature_set(service) do
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136 module:add_feature(xmlns_pubsub.."#"..feature);
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137 end
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138 end
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139
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140 module:hook("host-disco-info-node", function (event)
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141 return lib_pubsub.handle_disco_info_node(event, service);
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142 end);
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143
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144 module:hook("host-disco-items-node", function (event)
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145 return lib_pubsub.handle_disco_items_node(event, service);
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146 end);
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147
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148
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149 module:hook("host-disco-items", function (event)
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Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
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150 local stanza, reply = event.stanza, event.reply;
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151 local ok, ret = service:get_nodes(stanza.attr.from);
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152 if not ok then
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153 return;
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154 end
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155 for node, node_obj in pairs(ret) do
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156 reply:tag("item", { jid = module.host, node = node, name = node_obj.config.title }):up();
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157 end
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158 end);
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159
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160 local admin_aff = module:get_option_string("default_admin_affiliation", "owner");
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161 local function get_affiliation(jid)
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162 local bare_jid = jid_bare(jid);
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163 if bare_jid == module.host or usermanager.is_admin(bare_jid, module.host) then
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164 return admin_aff;
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165 end
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166 end
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167
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168 function get_service()
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169 return service;
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170 end
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171
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172 function set_service(new_service)
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173 service = new_service;
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174 module.environment.service = service;
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175 add_disco_features_from_service(service);
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176 end
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177
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178 function module.save()
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179 return { service = service };
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180 end
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181
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182 function module.restore(data)
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183 set_service(data.service);
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184 end
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185
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186 function module.load()
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187 if module.reloading then return; end
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188
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189 set_service(pubsub.new({
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190 autocreate_on_publish = autocreate_on_publish;
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191 autocreate_on_subscribe = autocreate_on_subscribe;
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192
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Matthew Wild <mwild1@gmail.com>
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193 nodestore = node_store;
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Matthew Wild <mwild1@gmail.com>
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194 itemstore = create_simple_itemstore;
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195 broadcaster = simple_broadcast;
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Kim Alvefur <zash@zash.se>
parents: 8505
diff changeset
196 itemcheck = is_item_stanza;
9100
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Kim Alvefur <zash@zash.se>
parents: 9045
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197 check_node_config = check_node_config;
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198 get_affiliation = get_affiliation;
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199
5690
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200 normalize_jid = jid_bare;
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diff changeset
201 }));
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202 end